40619966774419 has 2 divisors, whose sum is σ = 40619966774420. Its totient is φ = 40619966774418.

The previous prime is 40619966774389. The next prime is 40619966774501. The reversal of 40619966774419 is 91447766991604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40619966774419 - 2⁷ = 40619966774291 is a prime.

It is a super-2 number, since 2×40619966774419² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40619966774819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20309983387209 + 20309983387210.

It is an arithmetic number, because the mean of its divisors is an integer number (20309983387210).

Almost surely, 2^{40619966774419} is an apocalyptic number.

40619966774419 is a deficient number, since it is larger than the sum of its proper divisors (1).

40619966774419 is an equidigital number, since it uses as much as digits as its factorization.

40619966774419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493807104, while the sum is 73.

The spelling of 40619966774419 in words is "forty trillion, six hundred nineteen billion, nine hundred sixty-six million, seven hundred seventy-four thousand, four hundred nineteen".